The newest artwork in Denmark's ARoS museum wouldn't make much sense anywhere but the roof: Your Rainbow Panorama stretches 170 feet across, offering visitors a 360 degree view of the surrounding city in dazzling technicolor.

Your Rainbow Panorama, a work by Danish artist Olafur Eliasson, is slated for completion this Fall, treating museum visitors to views that will look something like this:

But it might look even more spectacular from ground level:

The walkway will measure 9 feet by 9 feet and the steel supporting it will weigh, in total, over 200 tons, which means that this rainbow is requiring some serious construction. Just wait until they hear that everyone's moved on to the double rainbow. [Design Boom]